Pith Number

pith:DPWCMXZN

pith:2010:DPWCMXZNRZTJ36GG3IO6ONXWKC

not attested not anchored not stored refs pending

The enrichment history of cosmic metals

Anthony Aguirre, Claudio Dalla Vecchia, C. M. Booth, Joop Schaye, Robert P. C. Wiersma, Tom Theuns

arxiv:1005.3921 v2 · 2010-05-21 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPWCMXZNRZTJ36GG3IO6ONXWKC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:19:13.367774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bec265f2d8e669df8c6da1de736f6509e5ea37a964661a841361c3d1cd9cae6

Aliases

arxiv: 1005.3921 · arxiv_version: 1005.3921v2 · doi: 10.48550/arxiv.1005.3921 · pith_short_12: DPWCMXZNRZTJ · pith_short_16: DPWCMXZNRZTJ36GG · pith_short_8: DPWCMXZN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DPWCMXZNRZTJ36GG3IO6ONXWKC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1bec265f2d8e669df8c6da1de736f6509e5ea37a964661a841361c3d1cd9cae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "250464d837ead7f00642ccbabe8912bf652500005f6f7717c4b69691d3d8eac4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-21T09:56:19Z",
    "title_canon_sha256": "564dd14ff48aa10fb997778db32007a89bdbaf6dd7925da3b237460c423e4958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3921",
    "kind": "arxiv",
    "version": 2
  }
}